Online Advertising
Advertising has long played an important role in media. Traditional media, such as television, newspapers, magazines and radio, have historically derived a large portion of their revenue from advertising, and in some cases, all of it. Online media is no exception. While there are many possibilities for revenue generation in an interactive medium such as the World Wide Web (retail, subscription-based services, etc), advertising has been, and continues to be, a simple and well-understood method for monetizing content or services. Why is advertising such a natural fit? To understand that, it helps to understand the basic wants and needs of the primary players involved in any web interaction. In this case, those players are the publisher (or service provider), the user, and, assuming an advertising-based model, the advertiser. The Advertiser Online advertisers , just like offline advertisers, are businesses that need to communicate a message. Whether the message is intended to